extern const unsigned char *_uc_ctype_b; extern const unsigned char *_uc_ctype_trans; extern const unsigned char _uc_ctype_b_C[256+256]; #define LOCALE_BUF_SIZE (sizeof(_uc_ctype_b_C)) #define ISbit(bit) (1 << bit) enum { ISprint = ISbit (0), /* 1 Printable. */ ISupper = ISbit (1), /* 2 UPPERCASE. */ ISlower = ISbit (2), /* 4 lowercase. */ IScntrl = ISbit (3), /* 8 Control character. */ ISspace = ISbit (4), /* 16 Whitespace. */ ISpunct = ISbit (5), /* 32 Punctuation. */ ISalpha = ISbit (6), /* 64 Alphabetic. */ ISxdigit = ISbit (7), /* 128 Hexnumeric. */ }; extern const unsigned char *_uc_collate_b;